Used to subsidize that which is lacking, i.E. Cornstarch is a monetary replacement for insufficient funds
Dreams of starch signify that you are in a sticky situation, bonding, and/or are feeling stuck. Dreams of starchy foods represents a desire for a burst of energy and inspiration that burns quickly. See Potato, Bread and Low-Carb.
To dream of using starch in any way presages that you will succeed through having self-respect.